Summary
Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux
kernel contained a race condition during device removal, leading to a use-
after-free vulnerability. A physically proximate attacker could possibly
use this to cause a denial of service (system crash). (CVE-2023-47233)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Ext4 file system;
- JFS file system;
- NILFS2 file system;
- Core kernel;
- Bluetooth subsystem;
- Networking core;
- IPv4 networking;
- Logical Link layer;
- MAC80211 subsystem;
- Netlink;
- NFC subsystem;
- Tomoyo security module;
(CVE-2023-52601, CVE-2024-26622, CVE-2024-26805, CVE-2024-26635,
CVE-2023-52602, CVE-2024-26801, CVE-2023-52566, CVE-2024-26704,
CVE-2021-46939, CVE-2024-26614, CVE-2023-52604, CVE-2023-52530,
CVE-2023-52524)
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | linux-aws | 4.4.0-1131.137 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | linux-lts-xenial | 4.4.0-254.288~14.04.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux | 4.4.0-254.288 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-aws | 4.4.0-1169.184 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-kvm | 4.4.0-1132.142 |
Vulnerabilities 14
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High 8.8
wifi: mac80211: fix potential key use-after-free
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211_key_link() is called by ieee80211_gtk_rekey_add() but returns 0 due to KRACK protection (identical key reinstall), ieee80211_gt…
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High 8.8
Bluetooth: Avoid potential use-after-free in hci_error_reset
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Avoid potential use-after-free in hci_error_reset While handling the HCI_EV_HARDWARE_ERROR event, if the underlying BT controller is not responding, the GPIO reset mechanism would …
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High 7.8
jfs: fix array-index-out-of-bounds in dbAdjTree
In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in dbAdjTree Currently there is a bound check missing in the dbAdjTree while accessing the dmt_stree. To add the required check added the bool is_ctl which …
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High 7.8
jfs: fix slab-out-of-bounds Read in dtSearch
In the Linux kernel, the following vulnerability has been resolved: jfs: fix slab-out-of-bounds Read in dtSearch Currently while searching for current page in the sorted entry table of the page there is a out of bound access. Added a bound check to fix the er…
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High 7.8
FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree
In the Linux kernel, the following vulnerability has been resolved: FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree Syzkaller reported the following issue: UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2867:6 index 196694 is out of range for type …
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High 7.8
tcp: make sure init the accept_queue's spinlocks once
In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the accept_queue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value …
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High 7.8
ext4: fix double-free of blocks due to wrong extents moved_len
In the Linux kernel, the following vulnerability has been resolved: ext4: fix double-free of blocks due to wrong extents moved_len In ext4_move_extents(), moved_len is only updated when all moves are successfully executed, and only discards orig_inode and don…
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Medium 5.5
tracing: Restructure trace_clock_global() to never block
In the Linux kernel, the following vulnerability has been resolved: tracing: Restructure trace_clock_global() to never block It was reported that a fix to the ring buffer recursion detection would cause a hung machine when performing suspend / resume testing.…
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Medium 5.5
nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential use after free in nilfs_gccache_submit_read_data() In nilfs_gccache_submit_read_data(), brelse(bh) is called to drop the reference count of bh when the call to nilfs_dat…
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Medium 4.3
The brcm80211 component in the Linux kernel through 6.5.10 has a brcmf_cfg80211_detach use-after-free in the device unp…
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Unscored —
net: nfc: llcp: Add lock when modifying device list
In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered.
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Unscored —
tomoyo: fix UAF write bug in tomoyo_write_control()
In the Linux kernel, the following vulnerability has been resolved: tomoyo: fix UAF write bug in tomoyo_write_control() Since tomoyo_write_control() updates head->write_buf when write() of long lines is requested, we need to fetch head->write_buf after head->…
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Unscored —
llc: Drop support for ETH_P_TR_802_2.
In the Linux kernel, the following vulnerability has been resolved: llc: Drop support for ETH_P_TR_802_2. syzbot reported an uninit-value bug below. [0] llc supports ETH_P_802_2 (0x0004) and used to support ETH_P_TR_802_2 (0x0011), and syzbot abused the latte…
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Unscored —
netlink: Fix kernel-infoleak-after-free in __skb_datagram_iter
In the Linux kernel, the following vulnerability has been resolved: netlink: Fix kernel-infoleak-after-free in __skb_datagram_iter syzbot reported the following uninit-value access issue [1]: netlink_to_full_skb() creates a new `skb` and puts the `skb->data` …
References
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report
https://ubuntu.com/security/CVE-2021-46939
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report
https://ubuntu.com/security/CVE-2023-47233
-
report
https://ubuntu.com/security/CVE-2023-52524
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report
https://ubuntu.com/security/CVE-2023-52530
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report
https://ubuntu.com/security/CVE-2023-52566
-
report
https://ubuntu.com/security/CVE-2023-52601
-
report
https://ubuntu.com/security/CVE-2023-52602
-
report
https://ubuntu.com/security/CVE-2023-52604
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report
https://ubuntu.com/security/CVE-2024-26614
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report
https://ubuntu.com/security/CVE-2024-26622
-
report
https://ubuntu.com/security/CVE-2024-26635
-
report
https://ubuntu.com/security/CVE-2024-26704
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report
https://ubuntu.com/security/CVE-2024-26801
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report
https://ubuntu.com/security/CVE-2024-26805